Georg Volkens

Georg Ludwig August Volkens ( born July 13, 1855 in Berlin, † January 10, 1917 ) was a German botanist who was known primarily for his geobotanical work in Africa. His botanical author abbreviation is " Volkens ".

Biography

Volkens studied natural sciences at the universities of Berlin ( Friedrich- Wilhelms-Universität ) and Würzburg, especially among botanists Alexander Brown, Julius Sachs and Simon Schwendenerstrasse, where he received his doctorate in 1882 with the work Ueberwasser excretion in liquid form to the blaettern high-degree Plants. 1884 to 1885 he traveled on behalf of the Royal Prussian Academy of Sciences Egypt, where he The flora of the Egyptian- Arabian desert, carried out represented based on anatomical and physical research studies for his work, with which he was habilitated in 1887. From 1887 to 1889 he worked as an unpaid volunteer with Adolf Engler at the Botanical Museum in Berlin, he was a lecturer at the Berlin University for Botaniki below.

1892-1894 Volkens went to Africa and was involved on behalf of the Academy of Sciences and the Reich Colonial Office in the establishment of the scientific station on Mount Kilimanjaro, from 1894 he was a colonial botanist in the German Colonial Society in Berlin- Charlottenburg. 1895 Volkens received the title of professor and 1897 he went as extraordinary research assistant returned to the Botanical Museum Berlin, where he was a year later employed as a curator and worked for the colonies, especially in the management of the Botanical central office.

1899-1900 Volkens was assigned to an expedition to the South Seas, which should make the change of flag in the Carolines; Volkens should study the botany of the Caroline and Mariana Islands and to estimate the economic value. 1901 to 1902 he traveled to Java, where he had to do colonial botanical tasks in the Buitenzorg Botanical Gardens. After his return he devoted himself to the tasks in the museum until 1910, he also held regularly lectures at various institutes in Berlin. 1917 Volkens died in his hometown.

Works

Georg Volkens led mainly together with Alexander Tschirch, Emil Heinricher, Henry Schenck and especially Gottlieb Haberlandt as the founder of physiological plant anatomy the work of Simon Schwendenerstrasse further, which dealt primarily with the physical principles of plant construction. He published, among other

  • About the relationship between location and construction of the plants. Yearbooks of the Botanical Garden III, pp. 1-46. Berlin 1884.
  • The flora of the Egyptian- Arabian desert, presented on the basis of anatomical and physical research. Berlin 1887.
  • About plants with painted leaves. Journal of the American Botanical Society, VIII, pp. 120-140, Plate VIII in 1890.
  • Chenopodiaceae. In: Engler- Prantl Natural plant families. III, 1, A, p 36-91. In 1892.
  • Kilimanjaro. Berlin 1897.
  • About the pollination of some Loranthaceae and Proteaceae. Festschrift for Schwendenerstrasse. Pp. 251-270. Berlin 1899.
  • The vegetation conditions of the Carolines. In Engler's Botanical yearbooks XXXI, pp. 412-477. In 1901.
  • The useful plants of Togo. Note sheet of the botanical garden. Appendix XXII, 1909 and 1910.
  • Leaf fall and leaf regeneration in the tropics, Berlin 1912

Honors

Due to its performance for botany eie number of plants including dogwood Cornus Volkensii, aloe the gardenia Gardenia were named after Georg Volkens, Volkensii, Volkensii, the linseed Linum Volkensii, the Sansevieria Sansevieria Volkensii and Peperomie Peperomia Volkensii.

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